Archives of physical medicine and rehabilitation
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Arch Phys Med Rehabil · Oct 2000
Randomized Controlled Trial Comparative Study Clinical TrialDisability measurement in persons with back pain: a validity study of spinal range of motion and velocity.
To evaluate the criterion validity and responsiveness to change of spine kinematic variables to assess disability in patients with low back pain. ⋯ Spine kinematics during flexion and extension of the trunk do not appear to be a valid measure of disability in patients with subacute and chronic back pain.